Fabio/Fixed_IP_Debian_12
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Fixed_IP_Debian_12/README.md
Fabio edcd36a31b first commit
2025-06-23 17:01:16 +08:00

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Configurare IP address Debian 12

Verificare quale è il nome della rete

ip a

dalla risposta si evince che la rete è enP3p49s0

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host noprefixroute 
       valid_lft forever preferred_lft forever
2: enP3p49s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether c0:74:2b:fc:61:b7 brd ff:ff:ff:ff:ff:ff
    inet 192.168.1.4/24 brd 192.168.1.255 scope global dynamic noprefixroute enP3p49s0
       valid_lft 32132sec preferred_lft 32132sec
    inet6 fe80::70da:ae13:b91c:cf72/64 scope link noprefixroute 
       valid_lft forever preferred_lft forever
3: enP4p65s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc pfifo_fast state DOWN group default qlen 1000
    link/ether c0:74:2b:fc:61:b6 brd ff:ff:ff:ff:ff:ff

editando il file /etc/network/interfaces

sudo nano /etc/network/interfaces

va scritto come

auto <interface_name>
iface <interface_name> inet static
  address <your_static_ip>/<subnet_mask_bits>
  gateway <your_gateway_ip>
  dns-nameservers <your_dns_server(s)>

con i seguenti campi

<interface_name> is the name of your network interface.
<your_static_ip> is the desired static IP address.
<subnet_mask_bits> is the subnet mask represented as bits (e.g., /24 for 255.255.255.0).
<your_gateway_ip> is the IP address of your gateway router.
<your_dns_server(s)> are the IP addresses of your DNS servers, separated by spaces.

quindi nel nostro caso va aggiunto (qui ho usato dns di google)

auto enP3p49s0
iface enP3p49s0 inet static
   address 192.168.1.4/24
   gateway 192.168.1.1
   dns-nameservers 8.8.8.8 8.8.4.4

Applying Network Configuration Changes

After editing your network configuration files, apply the changes using the ifup and ifdown commands. These commands deactivate and reactivate your network interface, respectively.

sudo ifdown enP3p49s0 && sudo ifup enP3p49s0

For the new network settings to take effect, you may also restart the networking service entirely.

sudo systemctl restart networking